2008年3月，Altera發佈40-nm Stratix IV FPGA，鞏固了其在高性能、高密度FPGA市場
上的領先地位。到目前為止，近600名客戶參與了Altera Stratix IV早期試用計劃，很
多客戶都使用Quartus II軟體，在所有Altera市場領域應用中採用Stratix IV FPGA開始
設計。9.0版為這些客戶提供更全面的支援，增加了Stratix IV引腳以及新的低成本封裝
Stratix IV FPGA速率等級器件的支援。軟體增加了對收發器時序模型的支援，並支援
8.5-Gbps收發器、1.6-Gbps LVDS和400-MHz DDR存儲器。對於需要實現HardCopy ASIC的
設計人員，Quartus II軟體提供HardCopy IV E ASIC初步支援。
New in this release of Quartus II software, support for Altera's new
Arria II GX FPGAs with cost-optimized, easy-to-use 3.75-Gbps transceivers.
Version 9.0 also adds support for Altera's new Stratix IV GT FPGAs, the
only FPGAs with integrated 11.3-Gbps transceivers. This version also
extends Quartus II software's productivity advantage with the new
simultaneous switching noise (SSN) Analyzer tool for faster board design
and expanded multi-processor support for faster compiles times. Also in
version 9.0, Altera introduces a new ModelSim verification tool, the
ModelSim-Altera Starter Edition with 50 percent faster simulation-available
to all Altera customers free of charge.
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